V. Mueller Cannula Ear William House 3Fr 2.75inch Diameter: 0.065 inches nominal Special features: c/o 5 fr gage top tube w/finger plate and cut off hole; 4 fr gage lower tube; both tubes w/fittings at proximal end; 0.049 in. dia of other cannula; unit qty 1 Tip type: open end and round Distal end shape: straight Hub type: hose connecting Design designation: william house Surface treatment and location: passivated overall Iii part name assigned by controlling agency: cannula ear william house 4 x 5 fr 2.75" Grip type: thumb-forefinger Curve to distal tip length: 4.000 inches nominal Unit type: suction and irrigation Material and location: steel, corrosion resisting overall